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DEWAR

Oklahoma — Community Water System — PWSID: OK3005613

System Information

PWSIDOK3005613
System NameDEWAR
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 11, 1980
Last ReportedNov 14, 2025

Location & Contact

StateOklahoma
CityDEWAR
ZIP Code74431
AddressThe Honorable Amber Brison, Mayor
OrganizationDEWAR
Phone918-652-4042

Population & Service

Population Served917
Service Connections350

Drinking Water Violations (141)

This water system has 141 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No .084 MG/L 0.080 mg/L .08 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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